Callitris columellaris

Botanical Description

Callitris columellaris is a slow growing evergreen tree with a spreading to upright crown; it can grow up to 30 metres tall but is usually smaller. The bole can be 30 - 60cm in diameter[ 200 Title The New RHS Dictionary of Gardening. 1992. Publication Author Huxley. A. Publisher MacMillan Press Year 1992 ISBN 0-333-47494-5 Description Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed. , 316 Title Tropical Timbers of the World. Ag. Handbook No. 607. Publication Author Chudnoff. Martin. Publisher USDA Forest Service. Wisconsin. Year 1984 ISBN Description Terse details on the properties of the wood of almost 400 species of trees from the Tropics. , 713 Title Australian Tropical Rainforest Plants Publication Author Website http://www.anbg.gov.au/cpbr/cd-keys/rfk/index.html Publisher Year 0 ISBN Description An online resource giving botanical information, and a little bit about plant usage, for over 2,700 species of plants found in the Australian rainforest. ]. The plant was used by the Australian aborigines as a medicine and to provide various other commodities. Experiments have been made with cultivating the plant for its valuable timber, but it has proved to be too slow growing for this. However, these plantations have served as a valuable resource for obtaining an essential oil and other natural products[ 329 Title The Gymnosperm Database Publication Author Website http://www.conifers.org/index.htm Publisher Year 0 ISBN Description A vast amount of information on conifers and families of gymnosperms. ]. The plant is grown as an ornamental. Callitris columellaris is here treated in a wide sense to include Callitris glaucophylla and Callitris intratropica. Although this species has been exploited throughout most of its range and its habitat is fragmented and degraded by a combination of grazing by domestic livestock and feral animals, altered fire regimes and invasion by exotic weeds, it is still very widespread and locally common. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2013)[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ].